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Side-Channel Leakage Analysis of Inner Product Masking

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Computers, Materials & Continua 2024年第4期79卷 1245-1262页

作者： yuyuan Li Lang Li yu ou College of Computer Science and Technology Hengyang Normal UniversityHengyang421002China Hunan Provincial Key Laboratory of Intelligent Information Processing and Application Hengyang Normal UniversityHengyang421002China

The Inner Product Masking(IPM)scheme has been shown to provide higher theoretical security guarantees than the BooleanMasking(BM).This scheme aims to increase the algebraic complexity of the coding to achieve a higher level of *** previous work unfolds when certain(adversarial and implementation)conditions are met,and we seek to complement these investigations by understanding what happens when these conditions deviate from their expected *** this paper,we investigate the security characteristics of IPM under different *** adversarial condition,the security properties of first-order IPMs obtained through parametric characterization are preserved in the face of univariate and bivariate *** implementation condition,we construct two new polynomial leakage functions to observe the nonlinear leakage of the IPM and connect the security order amplification to the nonlinear *** observe that the security of IPMis affected by the degree and the linear component in the leakage *** addition,the comparison experiments from the coefficients,signal-to-noise ratio(SNR)and the public parameter show that the security properties of the IPM are highly implementation-dependent.

关键词： Side-channel analysis inner product masking mutual information nonlinear leakage

SFGA-CPA: A Novel Screening Correlation Power Analysis Framework Based on Genetic Algorithm

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Computers, Materials & Continua 2024年第6期79卷 4641-4657页

作者： Jiahui Liu Lang Li Di Li yu ou College of Computer Science and Technology Hengyang Normal UniversityHengyang421002China Hunan Provincial Key Laboratory of Intelligent Information Processing and Application Hengyang Normal UniversityHengyang421002China

Correlation power analysis(CPA)combined with genetic algorithms(GA)now achieves greater attack efficiency and can recover all subkeys ***,two issues in GA-based CPA still need to be addressed:key degeneration and slow evolution within *** challenges significantly hinder key recovery *** paper proposes a screening correlation power analysis framework combined with a genetic algorithm,named SFGA-CPA,to address these ***-CPA introduces three operations designed to exploit CPA characteris-tics:propagative operation,constrained crossover,and constrained ***,the propagative operation accelerates population evolution by maximizing the number of correct bytes in each ***,the constrained crossover and mutation operations effectively address key degeneration by preventing the compromise of correct ***,an intelligent search method is proposed to identify optimal parameters,further improving attack *** were conducted on both simulated environments and real power traces collected from the SAKURA-G *** the case of simulation,SFGA-CPA reduces the number of traces by 27.3%and 60%compared to CPA based on multiple screening methods(MS-CPA)and CPA based on simple GA method(SGA-CPA)when the success rate reaches 90%.Moreover,real experimental results on the SAKURA-G platform demonstrate that our approach outperforms other methods.

关键词： Side-channel analysis correlation power analysis genetic algorithm crossover mutation

Strategies for flame-retardant polymer electrolytes for safe lithiumbased batteries

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Nano Research 2024年第10期17卷 8754-8771页

作者： Xiao Ma Yang Lu yu ou Shuaishuai Yan Wenhui Hou Pan Zhou Kai Liu Department of Chemical Engineering Tsinghua UniversityBeijing 100084China

The advancement of lithium-based batteries has spurred anticipation for enhanced energy density,extended cycle life and reduced capacity ***,these benefits are accompanied by potential risks,such as thermal runaway and explosions due to higher energy ***,liquid organic electrolytes are the predominant choice for lithium batteries,despite their limitations in terms of mechanical strength and vulnerability to *** development of polymer electrolytes,with their high Young’s modulus and enhanced safety features,offers a potential solution to the drawbacks of traditional liquid *** these advantages,polymer electrolytes are still susceptible to burning and *** address this issue,researchers have conducted extensive studies to improve their flame-retardant properties from various *** review provides a concise overview of the thermal runaway mechanisms,flame-retardant mechanisms and electrochemical performance of polymer *** also outlines the advancements in flame-retardant polymer electrolytes through the incorporation of various additives and the selection of inherently flame-retardant *** review aims to offer a comprehensive understanding of flame-retardant polymer electrolytes and serve as a guide for future research in this field.

关键词： lithium batteries polymer electrolyte thermal runaway flame-retardant additives energy storage materials

Smart materials for safe lithium-ion batteries against thermal runaway

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Journal of Energy Chemistry 2024年第7期94卷 360-392页

作者： yu ou Pan Zhou Wenhui Hou Xiao Ma Xuan Song Shuaishuai Yan Yang Lu Kai Liu Department of Chemical Engineering Tsinghua UniversityBeijing 100084China

In recent years,the new energy storage system,such as lithium ion batteries(LIBs),has attracted much *** order to meet the demand of industrial progress for longer cycle life,higher energy density and cost efficiency,a quantity of research has been conducted on the commercial application of ***,it is difficult to achieve satisfying safety and cycling performance *** may be thermal runaway(TR),external impact,overcharge and overdischarge in the process of battery abuse,which makes the safety problem of LIBs more *** this review,we summarize recent progress in the smart safety materials design towards the goal of preventing TR of LIBs reversibly from different abuse *** from smart responsive materials and novel structural design,the safety of LIBs can be improved a *** expect to provide a comprehensive reference for the development of smart and safe lithium-based battery materials.

关键词： Lithium ion batteries(LIBs) Thermal runaway(TR) Smart materials Safe batteries Solid electrolyte interface(SEI)

Amorphous Sb/C composite with isotropic expansion property as an ultra-stable and high-rate anode for lithium-ion batteries

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Rare Metals 2024年第5期43卷 2039-2052页

作者： Ze-Zhou Yang Cheng-Yi Zhang yu-Qing ou Zhi-Kang Su Yan Zhao Heng-Jiang Cong Xin-Ping Ai Jiang-Feng Qian Hubei Key Laboratory of Electrochemical Power Sources College of Chemistry and Molecular SciencesWuhan UniversityWuhan430072China Institute of Technological Sciences Wuhan UniversityWuhan 430072China

Antimony(Sb)is an intriguing anode material for Li-ion batteries(LIBs)owing to its high theoretical capacity of 660 m Ah·g^(-1)and appropriate working potential of~0.8 V(***^(+)/Li).However,just like all alloying materials,the Sb anode suffers from huge volume expansion(230%)during repeated insertion/extraction of Li+ions,resulting in structural deterioration and rapid capacity *** this work,a novel amorphous Sb/C composite with atomically dispersed Sb particles in carbon matrix is prepared via a straightforward high-energy ball milling *** intimate intermixing of amorphous Sb with C provides homogeneous element distribution and isotropic volume expansion during cycling,resulting in persistent structural ***,the disordered structure of amorphous material shortens the diffusion distance of lithium ions/electrons,promoting fast reaction kinetics and rate *** from the aforementioned effects,the amorphous Sb/C exhibits a high reversible capacity of537.4 m Ah·g^(-1)at 0.1 A·g^(-1)and retains 201.0 m Ah·g^(-1)at an ultrahigh current rate of 10.0 A·g^(-1).Even after 1500deep cycles at 2.0 A·g^(-1),the amorphous Sb/C electrode still maintains 86.3%of its initial capacity,which outperforms all existing Sb-based anodes reported so *** analysis further reveals a greatly reduced volume variation of merely 34.6%for the amorphous Sb/C electrode,much lower than that of 223.1%for crystalline Sb *** study presents a new approach to stabilizing Sb-based alloy anodes and contributes to the construction of high-performance amorphous anode materials for LIBs,enabling advanced energy storage.

关键词： Amorphous Sb/C anode Homogeneous element distribution Isotropic volume expansion Ultra-long cycle stability High-rate capability Lithium-ion battery

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混合励磁磁悬浮开关磁阻电机转矩建模与分析

电子测量技术 2024年第2期47卷 9-16页

作者：欧钰项倩雯江苏大学电气信息工程学院镇江212013

针对传统磁悬浮开关磁阻电机的输出转矩小及转矩与悬浮的耦合问题,提出一种四相16/14/8极混合励磁双定子磁悬浮开关磁阻电机。介绍了该电机的拓扑结构、转矩原理与悬浮原理,并优化了转矩绕组的励磁方式,运用有限元法比较分析了该电机与... 详细信息

针对传统磁悬浮开关磁阻电机的输出转矩小及转矩与悬浮的耦合问题,提出一种四相16/14/8极混合励磁双定子磁悬浮开关磁阻电机。介绍了该电机的拓扑结构、转矩原理与悬浮原理,并优化了转矩绕组的励磁方式,运用有限元法比较分析了该电机与同参数不加永磁体电机的电磁特性,包括电机的转矩特性以及解耦特性,仿真结果验证了该电机自解耦结构的合理性及能有效提高输出转矩。在麦克斯韦应力法基础上,根据电机工作时的磁通分布建立了等效磁路图,采用分段函数拟合铁芯磁化曲线,推导出了考虑磁饱和的转矩数学模型,有限元仿真分析验证了转矩模型与仿真结果较吻合,最小相差约1.4%,最大相差约26%。

关键词：混合励磁磁悬浮开关磁阻电机麦克斯韦应力法磁饱和

Prognostic factors of early recurrence after complete cytoreductive surgery and hyperthermic intraperitoneal chemotherapy

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World Journal of Clinical Cases 2024年第27期12卷 6057-6069页

作者： Chao-yu Chen Tzu-Hao Huang Li-Wen Lee Jrhau Lung yu-Che ou Chien-Hui Hung Huei-Chieh Chuang Min-Chi Chen Ting-Yao Wang Department of Obstetrics and Gynecology Chang Gung Memorial HospitalChiayi 613Taiwan Graduate Institute of Clinical Medical Sciences College of MedicineChang Gung UniversityTaoyuan 333Taiwan Department of Early Childhood Care and Education Shu-Zen Junior College of Medicine and ManagementKaohsiung 821Taiwan Division of General Surgery Department of SurgeryChang Gung Memorial HospitalChiayi 613Taiwan Department of Diagnostic Radiology Chang Gung Memorial HospitalChiayi 613Taiwan College of Medicine Chang Gung UniversityTaoyuan 333Taiwan Department of Medical Research and Development Chang Gung Memorial HospitalChiayi 613Taiwan Department of Obstetrics and Gynecology Kaohsiung Chang Gung Memorial HospitalKaohsiung 833Taiwan Department of Anatomic Pathology Chang Gung Memorial HospitalChiayi 613Taiwan Department of Public Health Chang Gung UniversityTaoyuan 333Taiwan Division of Hematology and Oncology Department of Internal MedicineChang Gung Memorial HospitalChiayi 613Taiwan

BACKGRouND Although cytoreductive surgery(CRS)and hyperthermic intraperitoneal chemotherapy(HIPEC)offer the potential for long-term survival in peritoneal carcinomatosis,outcomes following CRS/HIPEC vary *** To identify the clinical factors associated with progression-free survival(PFS)after complete CRS/HIPEC in patients with colorectal/high-grade appendiceal,ovarian,and gastric *** We retrospectively evaluated the risk of recurrence within 1 year after CRS/HIPEC and its impact on overall survival(OS)in patients recruited between 2015 and *** regression models were used to assess the prognostic factors for the risk of recurrence within 1 ***–Meier survival curves and Cox proportional hazards models were used to evaluate the association between recurrence and *** Of the 80 enrolled patients,39 had an unfavorable PFS(12 was associated with a lower rate of achieving CC-0(P=0.027).The favorable PFS group had a significantly longer OS(median 81.7 mo vs 17.0 mo,P<0.001).CONCLUSION Achieving CC-0 was associated with a lower early recurrence rate and improved long-term *** study underscores the importance of selecting appropriate candidates for CRS/HIPEC to manage peritoneal carcinomatosis.

关键词： Peritoneal metastasis Cytoreductive surgery Hyperthermic intraperitoneal chemotherapy Predictor Recurrence

Progress on High Voltage PEO-based Polymer Solid Electrolytes in Lithium Batteries

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Chemical Research in Chinese Universities 2022年第3期38卷 735-743页

作者： Hou Wenhui ou yu LIU Kai Department of Chemical Engineering Tsinghua UniversityBeijing100084P.R.China

Polymer electrolytes have attracted great interest for next-generation lithium-based batteries on account of safety and high energy *** this review,we assess recent progress on the design of poly(ethylene oxide)(PEO)-based solid polymer electrolytes in high voltage lithium batteries and identify possible side reactions between PEO-based electrolytes and existing *** provide an overview of the ways to enhance high voltage resistance of PEO-based *** include components blend,molecular design and interface *** these efforts,we want to present new insights into rational design of PEO-based electrolytes to develop solid-state lithium batteries for advanced performance.

关键词： Poly(ethylene oxide) Lithium battery High voltage Molecular design Interface modification

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骨质疏松症评估方法的研究进展

中国矫形外科杂志 2024年第5期32卷 417-421页

作者：欧宇轩李根朱立新郑欣南方医科大学珠江医院广东广州510280

骨质疏松症主要是由于骨量丢失与降低、骨组织微结构破坏、骨脆性增加而引起的、容易导致骨折的一种全身代谢性骨病,它是影响我国中老年人骨骼健康的重要隐患。如何准确评估并及时预防骨质疏松症至关重要,近几年越来越多的学者关注于各... 详细信息

骨质疏松症主要是由于骨量丢失与降低、骨组织微结构破坏、骨脆性增加而引起的、容易导致骨折的一种全身代谢性骨病,它是影响我国中老年人骨骼健康的重要隐患。如何准确评估并及时预防骨质疏松症至关重要,近几年越来越多的学者关注于各种影像检查技术对骨质疏松症的评估,包括双能X线、计算机断层扫描、定量超声、磁共振成像等技术,本文对骨质疏松症评估的研究进展进行综述,为临床医生提供参考。

关键词：骨质疏松症双能X线定量超声计算机断层扫描磁共振成像